Cisco 642-427 Online Practice Questions and Exam Preparation

Cisco 642-427 Online Questions & Answers

• Question 11:

  Please make the correct selection order for inbound POTS calls.

  1.

  default dial peer

  2.

  DNS with incoming called-number

  3.

  ANI with destination pattern

  4.

  originating voice port with configured dial peer port

  5.

  ANI with answer address

  A. 3 > 5 > 2 > 4 > 1
  B. 1 > 3 > 5 > 4 > 2
  C. 2 > 3 > 5 > 4 > 1
  D. 2 > 5 > 3 > 4 > 1
  D. 2 > 5 > 3 > 4 > 1

• Question 12:

  Which statement best describes dial peers in voice gateway?

  A. Dial peers are call legs that are used to identity call source and destination endpoints and to define the characteristics that are applied to each call leg in the call connection.
  B. Dial peers are configured with call legs that are essential to implementing dial plans and providing voice services over an IP packet network.
  C. dial peer is a physical addressable endpoint in a voice gateway.
  D. Dial peers create physical connections called call legs to complete an end-to-end call.
  A. Dial peers are call legs that are used to identity call source and destination endpoints and to define the characteristics that are applied to each call leg in the call connection.

• Question 13:

  Refer to Exhibit.

  

  Which Cisco Unified Communications Manager Real-Time Monitoring Tool component can be used to view DHCP requests and responses from a Cisco Unified Communications Manager DHCP server?

  A. Performance Log Viewer
  B. Processor
  C. System Summary
  D. Job Status
  E. SysLog Viewer
  F. VLT
  E. SysLog Viewer

• Question 14:

  Refer to the exhibit. You have received a trouble ticket stating that users cannot place calls to the PSTN. During testing you discover the gateway is not switching to the secondary call agent when the primary call agent is unreachable. What needs to be done to allow the MGCP gateway to use a different call agent if the primary fails?

  

  A. The ccm-manager fallback-mgcp command needs to be added to the gateway.
  B. The ccm-manager redundant-host command needs to be added to the gateway.
  C. A Cisco Unified CallManager group that includes the secondary call agent needs to be assigned to the gateway.
  D. The gateway needs to be defined as a non-gatekeeper-controlled intercluster trunk with the secondary Cisco Unified CallManager defined.
  B. The ccm-manager redundant-host command needs to be added to the gateway.

• Question 15:

  When a user attempts to log out from Cisco Extension Mobility service by pressing the services button and selecting the Cisco Extension Mobility service, the user is not able to log out. What is causing this issue?

  A. The Cisco Extension Mobility service has not been configured on the phone
  B. The user device profile is not subscribed to the Cisco Extension Mobility service.
  C. The CTI service is not running
  D. The logout URL that is defined for the Cisco Extension Mobility service is incorrect or does not exist under the IP Phone Services configuration.
  B. The user device profile is not subscribed to the Cisco Extension Mobility service.

• Question 16:

  If you are required to configure a router to use MGCP on a digital port, which measure will you take?

  A. Add the application mgcpapp subcommand to the dial peer
  B. Add the service mgcp subcommand to the dial peer
  C. Add the parameter application mgcpapp to the ds0-group controller subcommand.
  D. Add the service mgcp parameter to the ds0-group controller subcommand
  D. Add the service mgcp parameter to the ds0-group controller subcommand

• Question 17:

  You have developed a dial plan for a Cisco Unifed CallManager 5.0 solution. All the route patterns, partitions, calling search spaces, and translation rules have been configured. Before starting up the system you wish to test the dial plan for

  errors.

  Which Cisco Unifed CallManager tool will simplify this testing?

  A. Dial Plan Installer
  B. RTMT Traces and Alarms
  C. Route Plan Report
  D. Dialed Number Analyzer
  D. Dialed Number Analyzer

• Question 18:

  The following is a partial configuration of an access layer switch:

  mls qos map cos-dscp 0 8 12 16 28 32 40 48 mls qos !

  Voice bearer traffic will be set to use which per-hop behavior?

  A. EF
  B. CS4
  C. AF32
  D. AF12
  E. BE
  B. CS4

• Question 19:

  Which step do you take after you gather all the facts to troubleshoot poor audio quality?

  A. Consider all the possibilities.
  B. Create an action plan.
  C. Implement the solution.
  D. Observe the results.
  A. Consider all the possibilities.

• Question 20:

  Refer to the exhibit.

  

  The exhibit shows the output of debug isdn q931. An inbound PSTN call was received by a SIP gateway that is reachable via a SIP trunk that is configured in Cisco Unified Communications Manager. The call failed to ring extension 3001. If the phone at extension 3001 is registered and reachable through the gateway inbound CSS, which three actions can resolve this issue? (Choose three.)

  A. Change the significant digits for inbound calls to 4 on the SIP trunk configuration in Cisco Unified Communications Manager.
  B. Configure the digit strip 4 on the SIP trunk under Incoming Called Party Settings in Cisco Unified Communications Manager.
  C. Configure a translation pattern in Cisco Unified Communications Manager that can be accessed by the trunk CSS to truncate the called number to four digits.
  D. Configure a called-party transformation CSS on the gateway in Cisco Unified Communications Manager that includes a pattern that transforms the number from ten digits to four digits.
  E. Configure a voice translation profile in the SIP Cisco IOS gateway with a voice translation rule that truncates the number from ten digits to four digits.
  F. Configure the Cisco IOS command num-exp 2288223001 3001 on the gateway ISDN interface.
  A. Change the significant digits for inbound calls to 4 on the SIP trunk configuration in Cisco Unified Communications Manager.
  C. Configure a translation pattern in Cisco Unified Communications Manager that can be accessed by the trunk CSS to truncate the called number to four digits.
  E. Configure a voice translation profile in the SIP Cisco IOS gateway with a voice translation rule that truncates the number from ten digits to four digits.